Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | Linux PCMCIA ethernet adapter driver for the New Media Ethernet LAN. |
| 3 | nmclan_cs.c,v 0.16 1995/07/01 06:42:17 rpao Exp rpao |
| 4 | |
| 5 | The Ethernet LAN uses the Advanced Micro Devices (AMD) Am79C940 Media |
| 6 | Access Controller for Ethernet (MACE). It is essentially the Am2150 |
| 7 | PCMCIA Ethernet card contained in the Am2150 Demo Kit. |
| 8 | |
| 9 | Written by Roger C. Pao <rpao@paonet.org> |
| 10 | Copyright 1995 Roger C. Pao |
| 11 | Linux 2.5 cleanups Copyright Red Hat 2003 |
| 12 | |
| 13 | This software may be used and distributed according to the terms of |
| 14 | the GNU General Public License. |
| 15 | |
| 16 | Ported to Linux 1.3.* network driver environment by |
| 17 | Matti Aarnio <mea@utu.fi> |
| 18 | |
| 19 | References |
| 20 | |
| 21 | Am2150 Technical Reference Manual, Revision 1.0, August 17, 1993 |
| 22 | Am79C940 (MACE) Data Sheet, 1994 |
| 23 | Am79C90 (C-LANCE) Data Sheet, 1994 |
| 24 | Linux PCMCIA Programmer's Guide v1.17 |
| 25 | /usr/src/linux/net/inet/dev.c, Linux kernel 1.2.8 |
| 26 | |
| 27 | Eric Mears, New Media Corporation |
| 28 | Tom Pollard, New Media Corporation |
| 29 | Dean Siasoyco, New Media Corporation |
| 30 | Ken Lesniak, Silicon Graphics, Inc. <lesniak@boston.sgi.com> |
| 31 | Donald Becker <becker@scyld.com> |
| 32 | David Hinds <dahinds@users.sourceforge.net> |
| 33 | |
| 34 | The Linux client driver is based on the 3c589_cs.c client driver by |
| 35 | David Hinds. |
| 36 | |
| 37 | The Linux network driver outline is based on the 3c589_cs.c driver, |
| 38 | the 8390.c driver, and the example skeleton.c kernel code, which are |
| 39 | by Donald Becker. |
| 40 | |
| 41 | The Am2150 network driver hardware interface code is based on the |
| 42 | OS/9000 driver for the New Media Ethernet LAN by Eric Mears. |
| 43 | |
| 44 | Special thanks for testing and help in debugging this driver goes |
| 45 | to Ken Lesniak. |
| 46 | |
| 47 | ------------------------------------------------------------------------------- |
| 48 | Driver Notes and Issues |
| 49 | ------------------------------------------------------------------------------- |
| 50 | |
| 51 | 1. Developed on a Dell 320SLi |
| 52 | PCMCIA Card Services 2.6.2 |
| 53 | Linux dell 1.2.10 #1 Thu Jun 29 20:23:41 PDT 1995 i386 |
| 54 | |
| 55 | 2. rc.pcmcia may require loading pcmcia_core with io_speed=300: |
| 56 | 'insmod pcmcia_core.o io_speed=300'. |
| 57 | This will avoid problems with fast systems which causes rx_framecnt |
| 58 | to return random values. |
| 59 | |
| 60 | 3. If hot extraction does not work for you, use 'ifconfig eth0 down' |
| 61 | before extraction. |
| 62 | |
| 63 | 4. There is a bad slow-down problem in this driver. |
| 64 | |
| 65 | 5. Future: Multicast processing. In the meantime, do _not_ compile your |
| 66 | kernel with multicast ip enabled. |
| 67 | |
| 68 | ------------------------------------------------------------------------------- |
| 69 | History |
| 70 | ------------------------------------------------------------------------------- |
| 71 | Log: nmclan_cs.c,v |
Alan Cox | 113aa83 | 2008-10-13 19:01:08 -0700 | [diff] [blame] | 72 | * 2.5.75-ac1 2003/07/11 Alan Cox <alan@lxorguk.ukuu.org.uk> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | * Fixed hang on card eject as we probe it |
| 74 | * Cleaned up to use new style locking. |
| 75 | * |
| 76 | * Revision 0.16 1995/07/01 06:42:17 rpao |
| 77 | * Bug fix: nmclan_reset() called CardServices incorrectly. |
| 78 | * |
| 79 | * Revision 0.15 1995/05/24 08:09:47 rpao |
| 80 | * Re-implement MULTI_TX dev->tbusy handling. |
| 81 | * |
| 82 | * Revision 0.14 1995/05/23 03:19:30 rpao |
| 83 | * Added, in nmclan_config(), "tuple.Attributes = 0;". |
| 84 | * Modified MACE ID check to ignore chip revision level. |
| 85 | * Avoid tx_free_frames race condition between _start_xmit and _interrupt. |
| 86 | * |
| 87 | * Revision 0.13 1995/05/18 05:56:34 rpao |
| 88 | * Statistics changes. |
| 89 | * Bug fix: nmclan_reset did not enable TX and RX: call restore_multicast_list. |
| 90 | * Bug fix: mace_interrupt checks ~MACE_IMR_DEFAULT. Fixes driver lockup. |
| 91 | * |
| 92 | * Revision 0.12 1995/05/14 00:12:23 rpao |
| 93 | * Statistics overhaul. |
| 94 | * |
| 95 | |
| 96 | 95/05/13 rpao V0.10a |
| 97 | Bug fix: MACE statistics counters used wrong I/O ports. |
| 98 | Bug fix: mace_interrupt() needed to allow statistics to be |
| 99 | processed without RX or TX interrupts pending. |
| 100 | 95/05/11 rpao V0.10 |
| 101 | Multiple transmit request processing. |
| 102 | Modified statistics to use MACE counters where possible. |
| 103 | 95/05/10 rpao V0.09 Bug fix: Must use IO_DATA_PATH_WIDTH_AUTO. |
| 104 | *Released |
| 105 | 95/05/10 rpao V0.08 |
| 106 | Bug fix: Make all non-exported functions private by using |
| 107 | static keyword. |
| 108 | Bug fix: Test IntrCnt _before_ reading MACE_IR. |
| 109 | 95/05/10 rpao V0.07 Statistics. |
| 110 | 95/05/09 rpao V0.06 Fix rx_framecnt problem by addition of PCIC wait states. |
| 111 | |
| 112 | ---------------------------------------------------------------------------- */ |
| 113 | |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 114 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | #define DRV_NAME "nmclan_cs" |
| 117 | #define DRV_VERSION "0.16" |
| 118 | |
| 119 | |
| 120 | /* ---------------------------------------------------------------------------- |
| 121 | Conditional Compilation Options |
| 122 | ---------------------------------------------------------------------------- */ |
| 123 | |
| 124 | #define MULTI_TX 0 |
| 125 | #define RESET_ON_TIMEOUT 1 |
| 126 | #define TX_INTERRUPTABLE 1 |
| 127 | #define RESET_XILINX 0 |
| 128 | |
| 129 | /* ---------------------------------------------------------------------------- |
| 130 | Include Files |
| 131 | ---------------------------------------------------------------------------- */ |
| 132 | |
| 133 | #include <linux/module.h> |
| 134 | #include <linux/kernel.h> |
| 135 | #include <linux/init.h> |
| 136 | #include <linux/ptrace.h> |
| 137 | #include <linux/slab.h> |
| 138 | #include <linux/string.h> |
| 139 | #include <linux/timer.h> |
| 140 | #include <linux/interrupt.h> |
| 141 | #include <linux/in.h> |
| 142 | #include <linux/delay.h> |
| 143 | #include <linux/ethtool.h> |
| 144 | #include <linux/netdevice.h> |
| 145 | #include <linux/etherdevice.h> |
| 146 | #include <linux/skbuff.h> |
| 147 | #include <linux/if_arp.h> |
| 148 | #include <linux/ioport.h> |
| 149 | #include <linux/bitops.h> |
| 150 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | #include <pcmcia/cisreg.h> |
| 152 | #include <pcmcia/cistpl.h> |
| 153 | #include <pcmcia/ds.h> |
| 154 | |
| 155 | #include <asm/uaccess.h> |
| 156 | #include <asm/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
| 158 | /* ---------------------------------------------------------------------------- |
| 159 | Defines |
| 160 | ---------------------------------------------------------------------------- */ |
| 161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | #define MACE_LADRF_LEN 8 |
| 163 | /* 8 bytes in Logical Address Filter */ |
| 164 | |
| 165 | /* Loop Control Defines */ |
| 166 | #define MACE_MAX_IR_ITERATIONS 10 |
| 167 | #define MACE_MAX_RX_ITERATIONS 12 |
| 168 | /* |
| 169 | TBD: Dean brought this up, and I assumed the hardware would |
| 170 | handle it: |
| 171 | |
| 172 | If MACE_MAX_RX_ITERATIONS is > 1, rx_framecnt may still be |
| 173 | non-zero when the isr exits. We may not get another interrupt |
| 174 | to process the remaining packets for some time. |
| 175 | */ |
| 176 | |
| 177 | /* |
| 178 | The Am2150 has a Xilinx XC3042 field programmable gate array (FPGA) |
| 179 | which manages the interface between the MACE and the PCMCIA bus. It |
| 180 | also includes buffer management for the 32K x 8 SRAM to control up to |
| 181 | four transmit and 12 receive frames at a time. |
| 182 | */ |
| 183 | #define AM2150_MAX_TX_FRAMES 4 |
| 184 | #define AM2150_MAX_RX_FRAMES 12 |
| 185 | |
| 186 | /* Am2150 Ethernet Card I/O Mapping */ |
| 187 | #define AM2150_RCV 0x00 |
| 188 | #define AM2150_XMT 0x04 |
| 189 | #define AM2150_XMT_SKIP 0x09 |
| 190 | #define AM2150_RCV_NEXT 0x0A |
| 191 | #define AM2150_RCV_FRAME_COUNT 0x0B |
| 192 | #define AM2150_MACE_BANK 0x0C |
| 193 | #define AM2150_MACE_BASE 0x10 |
| 194 | |
| 195 | /* MACE Registers */ |
| 196 | #define MACE_RCVFIFO 0 |
| 197 | #define MACE_XMTFIFO 1 |
| 198 | #define MACE_XMTFC 2 |
| 199 | #define MACE_XMTFS 3 |
| 200 | #define MACE_XMTRC 4 |
| 201 | #define MACE_RCVFC 5 |
| 202 | #define MACE_RCVFS 6 |
| 203 | #define MACE_FIFOFC 7 |
| 204 | #define MACE_IR 8 |
| 205 | #define MACE_IMR 9 |
| 206 | #define MACE_PR 10 |
| 207 | #define MACE_BIUCC 11 |
| 208 | #define MACE_FIFOCC 12 |
| 209 | #define MACE_MACCC 13 |
| 210 | #define MACE_PLSCC 14 |
| 211 | #define MACE_PHYCC 15 |
| 212 | #define MACE_CHIPIDL 16 |
| 213 | #define MACE_CHIPIDH 17 |
| 214 | #define MACE_IAC 18 |
| 215 | /* Reserved */ |
| 216 | #define MACE_LADRF 20 |
| 217 | #define MACE_PADR 21 |
| 218 | /* Reserved */ |
| 219 | /* Reserved */ |
| 220 | #define MACE_MPC 24 |
| 221 | /* Reserved */ |
| 222 | #define MACE_RNTPC 26 |
| 223 | #define MACE_RCVCC 27 |
| 224 | /* Reserved */ |
| 225 | #define MACE_UTR 29 |
| 226 | #define MACE_RTR1 30 |
| 227 | #define MACE_RTR2 31 |
| 228 | |
| 229 | /* MACE Bit Masks */ |
| 230 | #define MACE_XMTRC_EXDEF 0x80 |
| 231 | #define MACE_XMTRC_XMTRC 0x0F |
| 232 | |
| 233 | #define MACE_XMTFS_XMTSV 0x80 |
| 234 | #define MACE_XMTFS_UFLO 0x40 |
| 235 | #define MACE_XMTFS_LCOL 0x20 |
| 236 | #define MACE_XMTFS_MORE 0x10 |
| 237 | #define MACE_XMTFS_ONE 0x08 |
| 238 | #define MACE_XMTFS_DEFER 0x04 |
| 239 | #define MACE_XMTFS_LCAR 0x02 |
| 240 | #define MACE_XMTFS_RTRY 0x01 |
| 241 | |
| 242 | #define MACE_RCVFS_RCVSTS 0xF000 |
| 243 | #define MACE_RCVFS_OFLO 0x8000 |
| 244 | #define MACE_RCVFS_CLSN 0x4000 |
| 245 | #define MACE_RCVFS_FRAM 0x2000 |
| 246 | #define MACE_RCVFS_FCS 0x1000 |
| 247 | |
| 248 | #define MACE_FIFOFC_RCVFC 0xF0 |
| 249 | #define MACE_FIFOFC_XMTFC 0x0F |
| 250 | |
| 251 | #define MACE_IR_JAB 0x80 |
| 252 | #define MACE_IR_BABL 0x40 |
| 253 | #define MACE_IR_CERR 0x20 |
| 254 | #define MACE_IR_RCVCCO 0x10 |
| 255 | #define MACE_IR_RNTPCO 0x08 |
| 256 | #define MACE_IR_MPCO 0x04 |
| 257 | #define MACE_IR_RCVINT 0x02 |
| 258 | #define MACE_IR_XMTINT 0x01 |
| 259 | |
| 260 | #define MACE_MACCC_PROM 0x80 |
| 261 | #define MACE_MACCC_DXMT2PD 0x40 |
| 262 | #define MACE_MACCC_EMBA 0x20 |
| 263 | #define MACE_MACCC_RESERVED 0x10 |
| 264 | #define MACE_MACCC_DRCVPA 0x08 |
| 265 | #define MACE_MACCC_DRCVBC 0x04 |
| 266 | #define MACE_MACCC_ENXMT 0x02 |
| 267 | #define MACE_MACCC_ENRCV 0x01 |
| 268 | |
| 269 | #define MACE_PHYCC_LNKFL 0x80 |
| 270 | #define MACE_PHYCC_DLNKTST 0x40 |
| 271 | #define MACE_PHYCC_REVPOL 0x20 |
| 272 | #define MACE_PHYCC_DAPC 0x10 |
| 273 | #define MACE_PHYCC_LRT 0x08 |
| 274 | #define MACE_PHYCC_ASEL 0x04 |
| 275 | #define MACE_PHYCC_RWAKE 0x02 |
| 276 | #define MACE_PHYCC_AWAKE 0x01 |
| 277 | |
| 278 | #define MACE_IAC_ADDRCHG 0x80 |
| 279 | #define MACE_IAC_PHYADDR 0x04 |
| 280 | #define MACE_IAC_LOGADDR 0x02 |
| 281 | |
| 282 | #define MACE_UTR_RTRE 0x80 |
| 283 | #define MACE_UTR_RTRD 0x40 |
| 284 | #define MACE_UTR_RPA 0x20 |
| 285 | #define MACE_UTR_FCOLL 0x10 |
| 286 | #define MACE_UTR_RCVFCSE 0x08 |
| 287 | #define MACE_UTR_LOOP_INCL_MENDEC 0x06 |
| 288 | #define MACE_UTR_LOOP_NO_MENDEC 0x04 |
| 289 | #define MACE_UTR_LOOP_EXTERNAL 0x02 |
| 290 | #define MACE_UTR_LOOP_NONE 0x00 |
| 291 | #define MACE_UTR_RESERVED 0x01 |
| 292 | |
| 293 | /* Switch MACE register bank (only 0 and 1 are valid) */ |
| 294 | #define MACEBANK(win_num) outb((win_num), ioaddr + AM2150_MACE_BANK) |
| 295 | |
| 296 | #define MACE_IMR_DEFAULT \ |
| 297 | (0xFF - \ |
| 298 | ( \ |
| 299 | MACE_IR_CERR | \ |
| 300 | MACE_IR_RCVCCO | \ |
| 301 | MACE_IR_RNTPCO | \ |
| 302 | MACE_IR_MPCO | \ |
| 303 | MACE_IR_RCVINT | \ |
| 304 | MACE_IR_XMTINT \ |
| 305 | ) \ |
| 306 | ) |
| 307 | #undef MACE_IMR_DEFAULT |
| 308 | #define MACE_IMR_DEFAULT 0x00 /* New statistics handling: grab everything */ |
| 309 | |
| 310 | #define TX_TIMEOUT ((400*HZ)/1000) |
| 311 | |
| 312 | /* ---------------------------------------------------------------------------- |
| 313 | Type Definitions |
| 314 | ---------------------------------------------------------------------------- */ |
| 315 | |
| 316 | typedef struct _mace_statistics { |
| 317 | /* MACE_XMTFS */ |
| 318 | int xmtsv; |
| 319 | int uflo; |
| 320 | int lcol; |
| 321 | int more; |
| 322 | int one; |
| 323 | int defer; |
| 324 | int lcar; |
| 325 | int rtry; |
| 326 | |
| 327 | /* MACE_XMTRC */ |
| 328 | int exdef; |
| 329 | int xmtrc; |
| 330 | |
| 331 | /* RFS1--Receive Status (RCVSTS) */ |
| 332 | int oflo; |
| 333 | int clsn; |
| 334 | int fram; |
| 335 | int fcs; |
| 336 | |
| 337 | /* RFS2--Runt Packet Count (RNTPC) */ |
| 338 | int rfs_rntpc; |
| 339 | |
| 340 | /* RFS3--Receive Collision Count (RCVCC) */ |
| 341 | int rfs_rcvcc; |
| 342 | |
| 343 | /* MACE_IR */ |
| 344 | int jab; |
| 345 | int babl; |
| 346 | int cerr; |
| 347 | int rcvcco; |
| 348 | int rntpco; |
| 349 | int mpco; |
| 350 | |
| 351 | /* MACE_MPC */ |
| 352 | int mpc; |
| 353 | |
| 354 | /* MACE_RNTPC */ |
| 355 | int rntpc; |
| 356 | |
| 357 | /* MACE_RCVCC */ |
| 358 | int rcvcc; |
| 359 | } mace_statistics; |
| 360 | |
| 361 | typedef struct _mace_private { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 362 | struct pcmcia_device *p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | struct net_device_stats linux_stats; /* Linux statistics counters */ |
| 364 | mace_statistics mace_stats; /* MACE chip statistics counters */ |
| 365 | |
| 366 | /* restore_multicast_list() state variables */ |
| 367 | int multicast_ladrf[MACE_LADRF_LEN]; /* Logical address filter */ |
| 368 | int multicast_num_addrs; |
| 369 | |
| 370 | char tx_free_frames; /* Number of free transmit frame buffers */ |
| 371 | char tx_irq_disabled; /* MACE TX interrupt disabled */ |
| 372 | |
| 373 | spinlock_t bank_lock; /* Must be held if you step off bank 0 */ |
| 374 | } mace_private; |
| 375 | |
| 376 | /* ---------------------------------------------------------------------------- |
| 377 | Private Global Variables |
| 378 | ---------------------------------------------------------------------------- */ |
| 379 | |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 380 | static const char *if_names[]={ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | "Auto", "10baseT", "BNC", |
| 382 | }; |
| 383 | |
| 384 | /* ---------------------------------------------------------------------------- |
| 385 | Parameters |
| 386 | These are the parameters that can be set during loading with |
| 387 | 'insmod'. |
| 388 | ---------------------------------------------------------------------------- */ |
| 389 | |
| 390 | MODULE_DESCRIPTION("New Media PCMCIA ethernet driver"); |
| 391 | MODULE_LICENSE("GPL"); |
| 392 | |
| 393 | #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) |
| 394 | |
| 395 | /* 0=auto, 1=10baseT, 2 = 10base2, default=auto */ |
| 396 | INT_MODULE_PARM(if_port, 0); |
| 397 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | |
| 399 | /* ---------------------------------------------------------------------------- |
| 400 | Function Prototypes |
| 401 | ---------------------------------------------------------------------------- */ |
| 402 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 403 | static int nmclan_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 404 | static void nmclan_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | |
| 406 | static void nmclan_reset(struct net_device *dev); |
| 407 | static int mace_config(struct net_device *dev, struct ifmap *map); |
| 408 | static int mace_open(struct net_device *dev); |
| 409 | static int mace_close(struct net_device *dev); |
Stephen Hemminger | dbf02fa | 2009-08-31 19:50:49 +0000 | [diff] [blame] | 410 | static netdev_tx_t mace_start_xmit(struct sk_buff *skb, |
| 411 | struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | static void mace_tx_timeout(struct net_device *dev); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 413 | static irqreturn_t mace_interrupt(int irq, void *dev_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | static struct net_device_stats *mace_get_stats(struct net_device *dev); |
| 415 | static int mace_rx(struct net_device *dev, unsigned char RxCnt); |
| 416 | static void restore_multicast_list(struct net_device *dev); |
| 417 | static void set_multicast_list(struct net_device *dev); |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 418 | static const struct ethtool_ops netdev_ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
| 420 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 421 | static void nmclan_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | |
Stephen Hemminger | 28b1801 | 2009-03-20 19:36:05 +0000 | [diff] [blame] | 423 | static const struct net_device_ops mace_netdev_ops = { |
| 424 | .ndo_open = mace_open, |
| 425 | .ndo_stop = mace_close, |
| 426 | .ndo_start_xmit = mace_start_xmit, |
| 427 | .ndo_tx_timeout = mace_tx_timeout, |
| 428 | .ndo_set_config = mace_config, |
| 429 | .ndo_get_stats = mace_get_stats, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 430 | .ndo_set_rx_mode = set_multicast_list, |
Stephen Hemminger | 28b1801 | 2009-03-20 19:36:05 +0000 | [diff] [blame] | 431 | .ndo_change_mtu = eth_change_mtu, |
| 432 | .ndo_set_mac_address = eth_mac_addr, |
| 433 | .ndo_validate_addr = eth_validate_addr, |
| 434 | }; |
| 435 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 436 | static int nmclan_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | { |
| 438 | mace_private *lp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | struct net_device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 441 | dev_dbg(&link->dev, "nmclan_attach()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | |
| 443 | /* Create new ethernet device */ |
| 444 | dev = alloc_etherdev(sizeof(mace_private)); |
| 445 | if (!dev) |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 446 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 448 | lp->p_dev = link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | link->priv = dev; |
| 450 | |
| 451 | spin_lock_init(&lp->bank_lock); |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 452 | link->resource[0]->end = 32; |
| 453 | link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
Dominik Brodowski | 1ac71e5 | 2010-07-29 19:27:09 +0200 | [diff] [blame] | 454 | link->config_flags |= CONF_ENABLE_IRQ; |
Dominik Brodowski | 7feabb6 | 2010-07-29 18:35:47 +0200 | [diff] [blame] | 455 | link->config_index = 1; |
| 456 | link->config_regs = PRESENT_OPTION; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | |
| 458 | lp->tx_free_frames=AM2150_MAX_TX_FRAMES; |
| 459 | |
Stephen Hemminger | 28b1801 | 2009-03-20 19:36:05 +0000 | [diff] [blame] | 460 | dev->netdev_ops = &mace_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | dev->watchdog_timeo = TX_TIMEOUT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 464 | return nmclan_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | } /* nmclan_attach */ |
| 466 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 467 | static void nmclan_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | { |
| 469 | struct net_device *dev = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 471 | dev_dbg(&link->dev, "nmclan_detach\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | |
Dominik Brodowski | c7c2fa0 | 2010-03-20 19:39:26 +0100 | [diff] [blame] | 473 | unregister_netdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 475 | nmclan_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | free_netdev(dev); |
| 478 | } /* nmclan_detach */ |
| 479 | |
| 480 | /* ---------------------------------------------------------------------------- |
| 481 | mace_read |
| 482 | Reads a MACE register. This is bank independent; however, the |
| 483 | caller must ensure that this call is not interruptable. We are |
| 484 | assuming that during normal operation, the MACE is always in |
| 485 | bank 0. |
| 486 | ---------------------------------------------------------------------------- */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 487 | static int mace_read(mace_private *lp, unsigned int ioaddr, int reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | { |
| 489 | int data = 0xFF; |
| 490 | unsigned long flags; |
| 491 | |
| 492 | switch (reg >> 4) { |
| 493 | case 0: /* register 0-15 */ |
| 494 | data = inb(ioaddr + AM2150_MACE_BASE + reg); |
| 495 | break; |
| 496 | case 1: /* register 16-31 */ |
| 497 | spin_lock_irqsave(&lp->bank_lock, flags); |
| 498 | MACEBANK(1); |
| 499 | data = inb(ioaddr + AM2150_MACE_BASE + (reg & 0x0F)); |
| 500 | MACEBANK(0); |
| 501 | spin_unlock_irqrestore(&lp->bank_lock, flags); |
| 502 | break; |
| 503 | } |
Eric Dumazet | 807540b | 2010-09-23 05:40:09 +0000 | [diff] [blame] | 504 | return data & 0xFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | } /* mace_read */ |
| 506 | |
| 507 | /* ---------------------------------------------------------------------------- |
| 508 | mace_write |
| 509 | Writes to a MACE register. This is bank independent; however, |
| 510 | the caller must ensure that this call is not interruptable. We |
| 511 | are assuming that during normal operation, the MACE is always in |
| 512 | bank 0. |
| 513 | ---------------------------------------------------------------------------- */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 514 | static void mace_write(mace_private *lp, unsigned int ioaddr, int reg, |
| 515 | int data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | { |
| 517 | unsigned long flags; |
| 518 | |
| 519 | switch (reg >> 4) { |
| 520 | case 0: /* register 0-15 */ |
| 521 | outb(data & 0xFF, ioaddr + AM2150_MACE_BASE + reg); |
| 522 | break; |
| 523 | case 1: /* register 16-31 */ |
| 524 | spin_lock_irqsave(&lp->bank_lock, flags); |
| 525 | MACEBANK(1); |
| 526 | outb(data & 0xFF, ioaddr + AM2150_MACE_BASE + (reg & 0x0F)); |
| 527 | MACEBANK(0); |
| 528 | spin_unlock_irqrestore(&lp->bank_lock, flags); |
| 529 | break; |
| 530 | } |
| 531 | } /* mace_write */ |
| 532 | |
| 533 | /* ---------------------------------------------------------------------------- |
| 534 | mace_init |
| 535 | Resets the MACE chip. |
| 536 | ---------------------------------------------------------------------------- */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 537 | static int mace_init(mace_private *lp, unsigned int ioaddr, char *enet_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | { |
| 539 | int i; |
| 540 | int ct = 0; |
| 541 | |
| 542 | /* MACE Software reset */ |
| 543 | mace_write(lp, ioaddr, MACE_BIUCC, 1); |
| 544 | while (mace_read(lp, ioaddr, MACE_BIUCC) & 0x01) { |
| 545 | /* Wait for reset bit to be cleared automatically after <= 200ns */; |
| 546 | if(++ct > 500) |
| 547 | { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 548 | pr_err("reset failed, card removed?\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | return -1; |
| 550 | } |
| 551 | udelay(1); |
| 552 | } |
| 553 | mace_write(lp, ioaddr, MACE_BIUCC, 0); |
| 554 | |
| 555 | /* The Am2150 requires that the MACE FIFOs operate in burst mode. */ |
| 556 | mace_write(lp, ioaddr, MACE_FIFOCC, 0x0F); |
| 557 | |
| 558 | mace_write(lp,ioaddr, MACE_RCVFC, 0); /* Disable Auto Strip Receive */ |
| 559 | mace_write(lp, ioaddr, MACE_IMR, 0xFF); /* Disable all interrupts until _open */ |
| 560 | |
| 561 | /* |
| 562 | * Bit 2-1 PORTSEL[1-0] Port Select. |
| 563 | * 00 AUI/10Base-2 |
| 564 | * 01 10Base-T |
| 565 | * 10 DAI Port (reserved in Am2150) |
| 566 | * 11 GPSI |
| 567 | * For this card, only the first two are valid. |
| 568 | * So, PLSCC should be set to |
| 569 | * 0x00 for 10Base-2 |
| 570 | * 0x02 for 10Base-T |
| 571 | * Or just set ASEL in PHYCC below! |
| 572 | */ |
| 573 | switch (if_port) { |
| 574 | case 1: |
| 575 | mace_write(lp, ioaddr, MACE_PLSCC, 0x02); |
| 576 | break; |
| 577 | case 2: |
| 578 | mace_write(lp, ioaddr, MACE_PLSCC, 0x00); |
| 579 | break; |
| 580 | default: |
| 581 | mace_write(lp, ioaddr, MACE_PHYCC, /* ASEL */ 4); |
| 582 | /* ASEL Auto Select. When set, the PORTSEL[1-0] bits are overridden, |
| 583 | and the MACE device will automatically select the operating media |
| 584 | interface port. */ |
| 585 | break; |
| 586 | } |
| 587 | |
| 588 | mace_write(lp, ioaddr, MACE_IAC, MACE_IAC_ADDRCHG | MACE_IAC_PHYADDR); |
| 589 | /* Poll ADDRCHG bit */ |
| 590 | ct = 0; |
| 591 | while (mace_read(lp, ioaddr, MACE_IAC) & MACE_IAC_ADDRCHG) |
| 592 | { |
| 593 | if(++ ct > 500) |
| 594 | { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 595 | pr_err("ADDRCHG timeout, card removed?\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | return -1; |
| 597 | } |
| 598 | } |
| 599 | /* Set PADR register */ |
Joe Perches | 104bf3f | 2011-11-16 09:38:03 +0000 | [diff] [blame] | 600 | for (i = 0; i < ETH_ALEN; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | mace_write(lp, ioaddr, MACE_PADR, enet_addr[i]); |
| 602 | |
| 603 | /* MAC Configuration Control Register should be written last */ |
| 604 | /* Let set_multicast_list set this. */ |
| 605 | /* mace_write(lp, ioaddr, MACE_MACCC, MACE_MACCC_ENXMT | MACE_MACCC_ENRCV); */ |
| 606 | mace_write(lp, ioaddr, MACE_MACCC, 0x00); |
| 607 | return 0; |
| 608 | } /* mace_init */ |
| 609 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 610 | static int nmclan_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | struct net_device *dev = link->priv; |
| 613 | mace_private *lp = netdev_priv(dev); |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 614 | u8 *buf; |
| 615 | size_t len; |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 616 | int i, ret; |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 617 | unsigned int ioaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 619 | dev_dbg(&link->dev, "nmclan_config\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 621 | link->io_lines = 5; |
| 622 | ret = pcmcia_request_io(link); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 623 | if (ret) |
| 624 | goto failed; |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 625 | ret = pcmcia_request_exclusive_irq(link, mace_interrupt); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 626 | if (ret) |
| 627 | goto failed; |
Dominik Brodowski | 1ac71e5 | 2010-07-29 19:27:09 +0200 | [diff] [blame] | 628 | ret = pcmcia_enable_device(link); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 629 | if (ret) |
| 630 | goto failed; |
| 631 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 632 | dev->irq = link->irq; |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 633 | dev->base_addr = link->resource[0]->start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | |
| 635 | ioaddr = dev->base_addr; |
| 636 | |
| 637 | /* Read the ethernet address from the CIS. */ |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 638 | len = pcmcia_get_tuple(link, 0x80, &buf); |
Joe Perches | 104bf3f | 2011-11-16 09:38:03 +0000 | [diff] [blame] | 639 | if (!buf || len < ETH_ALEN) { |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 640 | kfree(buf); |
| 641 | goto failed; |
| 642 | } |
Joe Perches | 104bf3f | 2011-11-16 09:38:03 +0000 | [diff] [blame] | 643 | memcpy(dev->dev_addr, buf, ETH_ALEN); |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 644 | kfree(buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | |
| 646 | /* Verify configuration by reading the MACE ID. */ |
| 647 | { |
| 648 | char sig[2]; |
| 649 | |
| 650 | sig[0] = mace_read(lp, ioaddr, MACE_CHIPIDL); |
| 651 | sig[1] = mace_read(lp, ioaddr, MACE_CHIPIDH); |
| 652 | if ((sig[0] == 0x40) && ((sig[1] & 0x0F) == 0x09)) { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 653 | dev_dbg(&link->dev, "nmclan_cs configured: mace id=%x %x\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | sig[0], sig[1]); |
| 655 | } else { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 656 | pr_notice("mace id not found: %x %x should be 0x40 0x?9\n", |
| 657 | sig[0], sig[1]); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 658 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | } |
| 660 | } |
| 661 | |
| 662 | if(mace_init(lp, ioaddr, dev->dev_addr) == -1) |
| 663 | goto failed; |
| 664 | |
| 665 | /* The if_port symbol can be set when the module is loaded */ |
| 666 | if (if_port <= 2) |
| 667 | dev->if_port = if_port; |
| 668 | else |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 669 | pr_notice("invalid if_port requested\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame] | 671 | SET_NETDEV_DEV(dev, &link->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | |
| 673 | i = register_netdev(dev); |
| 674 | if (i != 0) { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 675 | pr_notice("register_netdev() failed\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | goto failed; |
| 677 | } |
| 678 | |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 679 | netdev_info(dev, "nmclan: port %#3lx, irq %d, %s port, hw_addr %pM\n", |
| 680 | dev->base_addr, dev->irq, if_names[dev->if_port], dev->dev_addr); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 681 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | failed: |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 684 | nmclan_release(link); |
| 685 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | } /* nmclan_config */ |
| 687 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 688 | static void nmclan_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 690 | dev_dbg(&link->dev, "nmclan_release\n"); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 691 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | } |
| 693 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 694 | static int nmclan_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 695 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 696 | struct net_device *dev = link->priv; |
| 697 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 698 | if (link->open) |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 699 | netif_device_detach(dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 700 | |
| 701 | return 0; |
| 702 | } |
| 703 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 704 | static int nmclan_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 705 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 706 | struct net_device *dev = link->priv; |
| 707 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 708 | if (link->open) { |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 709 | nmclan_reset(dev); |
| 710 | netif_device_attach(dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | return 0; |
| 714 | } |
| 715 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | |
| 717 | /* ---------------------------------------------------------------------------- |
| 718 | nmclan_reset |
| 719 | Reset and restore all of the Xilinx and MACE registers. |
| 720 | ---------------------------------------------------------------------------- */ |
| 721 | static void nmclan_reset(struct net_device *dev) |
| 722 | { |
| 723 | mace_private *lp = netdev_priv(dev); |
| 724 | |
| 725 | #if RESET_XILINX |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 726 | struct pcmcia_device *link = &lp->link; |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 727 | u8 OrigCorValue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | |
| 729 | /* Save original COR value */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 730 | pcmcia_read_config_byte(link, CISREG_COR, &OrigCorValue); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | |
| 732 | /* Reset Xilinx */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 733 | dev_dbg(&link->dev, "nmclan_reset: OrigCorValue=0x%x, resetting...\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 734 | OrigCorValue); |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 735 | pcmcia_write_config_byte(link, CISREG_COR, COR_SOFT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | /* Need to wait for 20 ms for PCMCIA to finish reset. */ |
| 737 | |
| 738 | /* Restore original COR configuration index */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 739 | pcmcia_write_config_byte(link, CISREG_COR, |
| 740 | (COR_LEVEL_REQ | (OrigCorValue & COR_CONFIG_MASK))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | /* Xilinx is now completely reset along with the MACE chip. */ |
| 742 | lp->tx_free_frames=AM2150_MAX_TX_FRAMES; |
| 743 | |
| 744 | #endif /* #if RESET_XILINX */ |
| 745 | |
| 746 | /* Xilinx is now completely reset along with the MACE chip. */ |
| 747 | lp->tx_free_frames=AM2150_MAX_TX_FRAMES; |
| 748 | |
| 749 | /* Reinitialize the MACE chip for operation. */ |
| 750 | mace_init(lp, dev->base_addr, dev->dev_addr); |
| 751 | mace_write(lp, dev->base_addr, MACE_IMR, MACE_IMR_DEFAULT); |
| 752 | |
| 753 | /* Restore the multicast list and enable TX and RX. */ |
| 754 | restore_multicast_list(dev); |
| 755 | } /* nmclan_reset */ |
| 756 | |
| 757 | /* ---------------------------------------------------------------------------- |
| 758 | mace_config |
| 759 | [Someone tell me what this is supposed to do? Is if_port a defined |
| 760 | standard? If so, there should be defines to indicate 1=10Base-T, |
| 761 | 2=10Base-2, etc. including limited automatic detection.] |
| 762 | ---------------------------------------------------------------------------- */ |
| 763 | static int mace_config(struct net_device *dev, struct ifmap *map) |
| 764 | { |
| 765 | if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { |
| 766 | if (map->port <= 2) { |
| 767 | dev->if_port = map->port; |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 768 | netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | } else |
| 770 | return -EINVAL; |
| 771 | } |
| 772 | return 0; |
| 773 | } /* mace_config */ |
| 774 | |
| 775 | /* ---------------------------------------------------------------------------- |
| 776 | mace_open |
| 777 | Open device driver. |
| 778 | ---------------------------------------------------------------------------- */ |
| 779 | static int mace_open(struct net_device *dev) |
| 780 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 781 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | mace_private *lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 783 | struct pcmcia_device *link = lp->p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 785 | if (!pcmcia_dev_present(link)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | return -ENODEV; |
| 787 | |
| 788 | link->open++; |
| 789 | |
| 790 | MACEBANK(0); |
| 791 | |
| 792 | netif_start_queue(dev); |
| 793 | nmclan_reset(dev); |
| 794 | |
| 795 | return 0; /* Always succeed */ |
| 796 | } /* mace_open */ |
| 797 | |
| 798 | /* ---------------------------------------------------------------------------- |
| 799 | mace_close |
| 800 | Closes device driver. |
| 801 | ---------------------------------------------------------------------------- */ |
| 802 | static int mace_close(struct net_device *dev) |
| 803 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 804 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | mace_private *lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 806 | struct pcmcia_device *link = lp->p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 808 | dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | |
| 810 | /* Mask off all interrupts from the MACE chip. */ |
| 811 | outb(0xFF, ioaddr + AM2150_MACE_BASE + MACE_IMR); |
| 812 | |
| 813 | link->open--; |
| 814 | netif_stop_queue(dev); |
| 815 | |
| 816 | return 0; |
| 817 | } /* mace_close */ |
| 818 | |
| 819 | static void netdev_get_drvinfo(struct net_device *dev, |
| 820 | struct ethtool_drvinfo *info) |
| 821 | { |
Rick Jones | 33a5ba1 | 2011-11-15 14:59:53 +0000 | [diff] [blame] | 822 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
| 823 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); |
| 824 | snprintf(info->bus_info, sizeof(info->bus_info), |
| 825 | "PCMCIA 0x%lx", dev->base_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | } |
| 827 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 828 | static const struct ethtool_ops netdev_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | .get_drvinfo = netdev_get_drvinfo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | }; |
| 831 | |
| 832 | /* ---------------------------------------------------------------------------- |
| 833 | mace_start_xmit |
| 834 | This routine begins the packet transmit function. When completed, |
| 835 | it will generate a transmit interrupt. |
| 836 | |
| 837 | According to /usr/src/linux/net/inet/dev.c, if _start_xmit |
| 838 | returns 0, the "packet is now solely the responsibility of the |
| 839 | driver." If _start_xmit returns non-zero, the "transmission |
| 840 | failed, put skb back into a list." |
| 841 | ---------------------------------------------------------------------------- */ |
| 842 | |
| 843 | static void mace_tx_timeout(struct net_device *dev) |
| 844 | { |
| 845 | mace_private *lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 846 | struct pcmcia_device *link = lp->p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 848 | netdev_notice(dev, "transmit timed out -- "); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | #if RESET_ON_TIMEOUT |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 850 | pr_cont("resetting card\n"); |
Dominik Brodowski | 994917f | 2008-08-31 15:20:26 +0200 | [diff] [blame] | 851 | pcmcia_reset_card(link->socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | #else /* #if RESET_ON_TIMEOUT */ |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 853 | pr_cont("NOT resetting card\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 854 | #endif /* #if RESET_ON_TIMEOUT */ |
Eric Dumazet | 1ae5dc3 | 2010-05-10 05:01:31 -0700 | [diff] [blame] | 855 | dev->trans_start = jiffies; /* prevent tx timeout */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | netif_wake_queue(dev); |
| 857 | } |
| 858 | |
Stephen Hemminger | dbf02fa | 2009-08-31 19:50:49 +0000 | [diff] [blame] | 859 | static netdev_tx_t mace_start_xmit(struct sk_buff *skb, |
| 860 | struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | { |
| 862 | mace_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 863 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | |
| 865 | netif_stop_queue(dev); |
| 866 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 867 | pr_debug("%s: mace_start_xmit(length = %ld) called.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | dev->name, (long)skb->len); |
| 869 | |
| 870 | #if (!TX_INTERRUPTABLE) |
| 871 | /* Disable MACE TX interrupts. */ |
| 872 | outb(MACE_IMR_DEFAULT | MACE_IR_XMTINT, |
| 873 | ioaddr + AM2150_MACE_BASE + MACE_IMR); |
| 874 | lp->tx_irq_disabled=1; |
| 875 | #endif /* #if (!TX_INTERRUPTABLE) */ |
| 876 | |
| 877 | { |
| 878 | /* This block must not be interrupted by another transmit request! |
| 879 | mace_tx_timeout will take care of timer-based retransmissions from |
| 880 | the upper layers. The interrupt handler is guaranteed never to |
| 881 | service a transmit interrupt while we are in here. |
| 882 | */ |
| 883 | |
| 884 | lp->linux_stats.tx_bytes += skb->len; |
| 885 | lp->tx_free_frames--; |
| 886 | |
| 887 | /* WARNING: Write the _exact_ number of bytes written in the header! */ |
| 888 | /* Put out the word header [must be an outw()] . . . */ |
| 889 | outw(skb->len, ioaddr + AM2150_XMT); |
| 890 | /* . . . and the packet [may be any combination of outw() and outb()] */ |
| 891 | outsw(ioaddr + AM2150_XMT, skb->data, skb->len >> 1); |
| 892 | if (skb->len & 1) { |
| 893 | /* Odd byte transfer */ |
| 894 | outb(skb->data[skb->len-1], ioaddr + AM2150_XMT); |
| 895 | } |
| 896 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | #if MULTI_TX |
| 898 | if (lp->tx_free_frames > 0) |
| 899 | netif_start_queue(dev); |
| 900 | #endif /* #if MULTI_TX */ |
| 901 | } |
| 902 | |
| 903 | #if (!TX_INTERRUPTABLE) |
| 904 | /* Re-enable MACE TX interrupts. */ |
| 905 | lp->tx_irq_disabled=0; |
| 906 | outb(MACE_IMR_DEFAULT, ioaddr + AM2150_MACE_BASE + MACE_IMR); |
| 907 | #endif /* #if (!TX_INTERRUPTABLE) */ |
| 908 | |
| 909 | dev_kfree_skb(skb); |
| 910 | |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 911 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | } /* mace_start_xmit */ |
| 913 | |
| 914 | /* ---------------------------------------------------------------------------- |
| 915 | mace_interrupt |
| 916 | The interrupt handler. |
| 917 | ---------------------------------------------------------------------------- */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 918 | static irqreturn_t mace_interrupt(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 919 | { |
| 920 | struct net_device *dev = (struct net_device *) dev_id; |
| 921 | mace_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 922 | unsigned int ioaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 923 | int status; |
| 924 | int IntrCnt = MACE_MAX_IR_ITERATIONS; |
| 925 | |
| 926 | if (dev == NULL) { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 927 | pr_debug("mace_interrupt(): irq 0x%X for unknown device.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | irq); |
| 929 | return IRQ_NONE; |
| 930 | } |
| 931 | |
Micah Gruber | c196d80 | 2007-07-24 10:44:56 +0800 | [diff] [blame] | 932 | ioaddr = dev->base_addr; |
| 933 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | if (lp->tx_irq_disabled) { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 935 | const char *msg; |
| 936 | if (lp->tx_irq_disabled) |
| 937 | msg = "Interrupt with tx_irq_disabled"; |
| 938 | else |
| 939 | msg = "Re-entering the interrupt handler"; |
| 940 | netdev_notice(dev, "%s [isr=%02X, imr=%02X]\n", |
| 941 | msg, |
| 942 | inb(ioaddr + AM2150_MACE_BASE + MACE_IR), |
| 943 | inb(ioaddr + AM2150_MACE_BASE + MACE_IMR)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | /* WARNING: MACE_IR has been read! */ |
| 945 | return IRQ_NONE; |
| 946 | } |
| 947 | |
| 948 | if (!netif_device_present(dev)) { |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 949 | netdev_dbg(dev, "interrupt from dead card\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 950 | return IRQ_NONE; |
| 951 | } |
| 952 | |
| 953 | do { |
| 954 | /* WARNING: MACE_IR is a READ/CLEAR port! */ |
| 955 | status = inb(ioaddr + AM2150_MACE_BASE + MACE_IR); |
| 956 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 957 | pr_debug("mace_interrupt: irq 0x%X status 0x%X.\n", irq, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | |
| 959 | if (status & MACE_IR_RCVINT) { |
| 960 | mace_rx(dev, MACE_MAX_RX_ITERATIONS); |
| 961 | } |
| 962 | |
| 963 | if (status & MACE_IR_XMTINT) { |
| 964 | unsigned char fifofc; |
| 965 | unsigned char xmtrc; |
| 966 | unsigned char xmtfs; |
| 967 | |
| 968 | fifofc = inb(ioaddr + AM2150_MACE_BASE + MACE_FIFOFC); |
| 969 | if ((fifofc & MACE_FIFOFC_XMTFC)==0) { |
| 970 | lp->linux_stats.tx_errors++; |
| 971 | outb(0xFF, ioaddr + AM2150_XMT_SKIP); |
| 972 | } |
| 973 | |
| 974 | /* Transmit Retry Count (XMTRC, reg 4) */ |
| 975 | xmtrc = inb(ioaddr + AM2150_MACE_BASE + MACE_XMTRC); |
| 976 | if (xmtrc & MACE_XMTRC_EXDEF) lp->mace_stats.exdef++; |
| 977 | lp->mace_stats.xmtrc += (xmtrc & MACE_XMTRC_XMTRC); |
| 978 | |
| 979 | if ( |
| 980 | (xmtfs = inb(ioaddr + AM2150_MACE_BASE + MACE_XMTFS)) & |
| 981 | MACE_XMTFS_XMTSV /* Transmit Status Valid */ |
| 982 | ) { |
| 983 | lp->mace_stats.xmtsv++; |
| 984 | |
| 985 | if (xmtfs & ~MACE_XMTFS_XMTSV) { |
| 986 | if (xmtfs & MACE_XMTFS_UFLO) { |
| 987 | /* Underflow. Indicates that the Transmit FIFO emptied before |
| 988 | the end of frame was reached. */ |
| 989 | lp->mace_stats.uflo++; |
| 990 | } |
| 991 | if (xmtfs & MACE_XMTFS_LCOL) { |
| 992 | /* Late Collision */ |
| 993 | lp->mace_stats.lcol++; |
| 994 | } |
| 995 | if (xmtfs & MACE_XMTFS_MORE) { |
| 996 | /* MORE than one retry was needed */ |
| 997 | lp->mace_stats.more++; |
| 998 | } |
| 999 | if (xmtfs & MACE_XMTFS_ONE) { |
| 1000 | /* Exactly ONE retry occurred */ |
| 1001 | lp->mace_stats.one++; |
| 1002 | } |
| 1003 | if (xmtfs & MACE_XMTFS_DEFER) { |
| 1004 | /* Transmission was defered */ |
| 1005 | lp->mace_stats.defer++; |
| 1006 | } |
| 1007 | if (xmtfs & MACE_XMTFS_LCAR) { |
| 1008 | /* Loss of carrier */ |
| 1009 | lp->mace_stats.lcar++; |
| 1010 | } |
| 1011 | if (xmtfs & MACE_XMTFS_RTRY) { |
| 1012 | /* Retry error: transmit aborted after 16 attempts */ |
| 1013 | lp->mace_stats.rtry++; |
| 1014 | } |
| 1015 | } /* if (xmtfs & ~MACE_XMTFS_XMTSV) */ |
| 1016 | |
| 1017 | } /* if (xmtfs & MACE_XMTFS_XMTSV) */ |
| 1018 | |
| 1019 | lp->linux_stats.tx_packets++; |
| 1020 | lp->tx_free_frames++; |
| 1021 | netif_wake_queue(dev); |
| 1022 | } /* if (status & MACE_IR_XMTINT) */ |
| 1023 | |
| 1024 | if (status & ~MACE_IMR_DEFAULT & ~MACE_IR_RCVINT & ~MACE_IR_XMTINT) { |
| 1025 | if (status & MACE_IR_JAB) { |
| 1026 | /* Jabber Error. Excessive transmit duration (20-150ms). */ |
| 1027 | lp->mace_stats.jab++; |
| 1028 | } |
| 1029 | if (status & MACE_IR_BABL) { |
| 1030 | /* Babble Error. >1518 bytes transmitted. */ |
| 1031 | lp->mace_stats.babl++; |
| 1032 | } |
| 1033 | if (status & MACE_IR_CERR) { |
| 1034 | /* Collision Error. CERR indicates the absence of the |
| 1035 | Signal Quality Error Test message after a packet |
| 1036 | transmission. */ |
| 1037 | lp->mace_stats.cerr++; |
| 1038 | } |
| 1039 | if (status & MACE_IR_RCVCCO) { |
| 1040 | /* Receive Collision Count Overflow; */ |
| 1041 | lp->mace_stats.rcvcco++; |
| 1042 | } |
| 1043 | if (status & MACE_IR_RNTPCO) { |
| 1044 | /* Runt Packet Count Overflow */ |
| 1045 | lp->mace_stats.rntpco++; |
| 1046 | } |
| 1047 | if (status & MACE_IR_MPCO) { |
| 1048 | /* Missed Packet Count Overflow */ |
| 1049 | lp->mace_stats.mpco++; |
| 1050 | } |
| 1051 | } /* if (status & ~MACE_IMR_DEFAULT & ~MACE_IR_RCVINT & ~MACE_IR_XMTINT) */ |
| 1052 | |
| 1053 | } while ((status & ~MACE_IMR_DEFAULT) && (--IntrCnt)); |
| 1054 | |
| 1055 | return IRQ_HANDLED; |
| 1056 | } /* mace_interrupt */ |
| 1057 | |
| 1058 | /* ---------------------------------------------------------------------------- |
| 1059 | mace_rx |
| 1060 | Receives packets. |
| 1061 | ---------------------------------------------------------------------------- */ |
| 1062 | static int mace_rx(struct net_device *dev, unsigned char RxCnt) |
| 1063 | { |
| 1064 | mace_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 1065 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1066 | unsigned char rx_framecnt; |
| 1067 | unsigned short rx_status; |
| 1068 | |
| 1069 | while ( |
| 1070 | ((rx_framecnt = inb(ioaddr + AM2150_RCV_FRAME_COUNT)) > 0) && |
| 1071 | (rx_framecnt <= 12) && /* rx_framecnt==0xFF if card is extracted. */ |
| 1072 | (RxCnt--) |
| 1073 | ) { |
| 1074 | rx_status = inw(ioaddr + AM2150_RCV); |
| 1075 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1076 | pr_debug("%s: in mace_rx(), framecnt 0x%X, rx_status" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | " 0x%X.\n", dev->name, rx_framecnt, rx_status); |
| 1078 | |
| 1079 | if (rx_status & MACE_RCVFS_RCVSTS) { /* Error, update stats. */ |
| 1080 | lp->linux_stats.rx_errors++; |
| 1081 | if (rx_status & MACE_RCVFS_OFLO) { |
| 1082 | lp->mace_stats.oflo++; |
| 1083 | } |
| 1084 | if (rx_status & MACE_RCVFS_CLSN) { |
| 1085 | lp->mace_stats.clsn++; |
| 1086 | } |
| 1087 | if (rx_status & MACE_RCVFS_FRAM) { |
| 1088 | lp->mace_stats.fram++; |
| 1089 | } |
| 1090 | if (rx_status & MACE_RCVFS_FCS) { |
| 1091 | lp->mace_stats.fcs++; |
| 1092 | } |
| 1093 | } else { |
| 1094 | short pkt_len = (rx_status & ~MACE_RCVFS_RCVSTS) - 4; |
| 1095 | /* Auto Strip is off, always subtract 4 */ |
| 1096 | struct sk_buff *skb; |
| 1097 | |
| 1098 | lp->mace_stats.rfs_rntpc += inb(ioaddr + AM2150_RCV); |
| 1099 | /* runt packet count */ |
| 1100 | lp->mace_stats.rfs_rcvcc += inb(ioaddr + AM2150_RCV); |
| 1101 | /* rcv collision count */ |
| 1102 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1103 | pr_debug(" receiving packet size 0x%X rx_status" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | " 0x%X.\n", pkt_len, rx_status); |
| 1105 | |
Pradeep A Dalvi | 1d26643 | 2012-02-05 02:49:09 +0000 | [diff] [blame] | 1106 | skb = netdev_alloc_skb(dev, pkt_len + 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | |
| 1108 | if (skb != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | skb_reserve(skb, 2); |
| 1110 | insw(ioaddr + AM2150_RCV, skb_put(skb, pkt_len), pkt_len>>1); |
| 1111 | if (pkt_len & 1) |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 1112 | *(skb_tail_pointer(skb) - 1) = inb(ioaddr + AM2150_RCV); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1113 | skb->protocol = eth_type_trans(skb, dev); |
| 1114 | |
| 1115 | netif_rx(skb); /* Send the packet to the upper (protocol) layers. */ |
| 1116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | lp->linux_stats.rx_packets++; |
Florin Malita | 6f25891 | 2006-06-04 02:51:26 -0700 | [diff] [blame] | 1118 | lp->linux_stats.rx_bytes += pkt_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | outb(0xFF, ioaddr + AM2150_RCV_NEXT); /* skip to next frame */ |
| 1120 | continue; |
| 1121 | } else { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1122 | pr_debug("%s: couldn't allocate a sk_buff of size" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1123 | " %d.\n", dev->name, pkt_len); |
| 1124 | lp->linux_stats.rx_dropped++; |
| 1125 | } |
| 1126 | } |
| 1127 | outb(0xFF, ioaddr + AM2150_RCV_NEXT); /* skip to next frame */ |
| 1128 | } /* while */ |
| 1129 | |
| 1130 | return 0; |
| 1131 | } /* mace_rx */ |
| 1132 | |
| 1133 | /* ---------------------------------------------------------------------------- |
| 1134 | pr_linux_stats |
| 1135 | ---------------------------------------------------------------------------- */ |
| 1136 | static void pr_linux_stats(struct net_device_stats *pstats) |
| 1137 | { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1138 | pr_debug("pr_linux_stats\n"); |
| 1139 | pr_debug(" rx_packets=%-7ld tx_packets=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1140 | (long)pstats->rx_packets, (long)pstats->tx_packets); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1141 | pr_debug(" rx_errors=%-7ld tx_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | (long)pstats->rx_errors, (long)pstats->tx_errors); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1143 | pr_debug(" rx_dropped=%-7ld tx_dropped=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | (long)pstats->rx_dropped, (long)pstats->tx_dropped); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1145 | pr_debug(" multicast=%-7ld collisions=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1146 | (long)pstats->multicast, (long)pstats->collisions); |
| 1147 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1148 | pr_debug(" rx_length_errors=%-7ld rx_over_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | (long)pstats->rx_length_errors, (long)pstats->rx_over_errors); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1150 | pr_debug(" rx_crc_errors=%-7ld rx_frame_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1151 | (long)pstats->rx_crc_errors, (long)pstats->rx_frame_errors); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1152 | pr_debug(" rx_fifo_errors=%-7ld rx_missed_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | (long)pstats->rx_fifo_errors, (long)pstats->rx_missed_errors); |
| 1154 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1155 | pr_debug(" tx_aborted_errors=%-7ld tx_carrier_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | (long)pstats->tx_aborted_errors, (long)pstats->tx_carrier_errors); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1157 | pr_debug(" tx_fifo_errors=%-7ld tx_heartbeat_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | (long)pstats->tx_fifo_errors, (long)pstats->tx_heartbeat_errors); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1159 | pr_debug(" tx_window_errors=%ld\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | (long)pstats->tx_window_errors); |
| 1161 | } /* pr_linux_stats */ |
| 1162 | |
| 1163 | /* ---------------------------------------------------------------------------- |
| 1164 | pr_mace_stats |
| 1165 | ---------------------------------------------------------------------------- */ |
| 1166 | static void pr_mace_stats(mace_statistics *pstats) |
| 1167 | { |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1168 | pr_debug("pr_mace_stats\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1170 | pr_debug(" xmtsv=%-7d uflo=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | pstats->xmtsv, pstats->uflo); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1172 | pr_debug(" lcol=%-7d more=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | pstats->lcol, pstats->more); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1174 | pr_debug(" one=%-7d defer=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1175 | pstats->one, pstats->defer); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1176 | pr_debug(" lcar=%-7d rtry=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | pstats->lcar, pstats->rtry); |
| 1178 | |
| 1179 | /* MACE_XMTRC */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1180 | pr_debug(" exdef=%-7d xmtrc=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | pstats->exdef, pstats->xmtrc); |
| 1182 | |
| 1183 | /* RFS1--Receive Status (RCVSTS) */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1184 | pr_debug(" oflo=%-7d clsn=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1185 | pstats->oflo, pstats->clsn); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1186 | pr_debug(" fram=%-7d fcs=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | pstats->fram, pstats->fcs); |
| 1188 | |
| 1189 | /* RFS2--Runt Packet Count (RNTPC) */ |
| 1190 | /* RFS3--Receive Collision Count (RCVCC) */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1191 | pr_debug(" rfs_rntpc=%-7d rfs_rcvcc=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1192 | pstats->rfs_rntpc, pstats->rfs_rcvcc); |
| 1193 | |
| 1194 | /* MACE_IR */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1195 | pr_debug(" jab=%-7d babl=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1196 | pstats->jab, pstats->babl); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1197 | pr_debug(" cerr=%-7d rcvcco=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | pstats->cerr, pstats->rcvcco); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1199 | pr_debug(" rntpco=%-7d mpco=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | pstats->rntpco, pstats->mpco); |
| 1201 | |
| 1202 | /* MACE_MPC */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1203 | pr_debug(" mpc=%d\n", pstats->mpc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | |
| 1205 | /* MACE_RNTPC */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1206 | pr_debug(" rntpc=%d\n", pstats->rntpc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1207 | |
| 1208 | /* MACE_RCVCC */ |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1209 | pr_debug(" rcvcc=%d\n", pstats->rcvcc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | |
| 1211 | } /* pr_mace_stats */ |
| 1212 | |
| 1213 | /* ---------------------------------------------------------------------------- |
| 1214 | update_stats |
| 1215 | Update statistics. We change to register window 1, so this |
| 1216 | should be run single-threaded if the device is active. This is |
| 1217 | expected to be a rare operation, and it's simpler for the rest |
| 1218 | of the driver to assume that window 0 is always valid rather |
| 1219 | than use a special window-state variable. |
| 1220 | |
| 1221 | oflo & uflo should _never_ occur since it would mean the Xilinx |
| 1222 | was not able to transfer data between the MACE FIFO and the |
| 1223 | card's SRAM fast enough. If this happens, something is |
| 1224 | seriously wrong with the hardware. |
| 1225 | ---------------------------------------------------------------------------- */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 1226 | static void update_stats(unsigned int ioaddr, struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1227 | { |
| 1228 | mace_private *lp = netdev_priv(dev); |
| 1229 | |
| 1230 | lp->mace_stats.rcvcc += mace_read(lp, ioaddr, MACE_RCVCC); |
| 1231 | lp->mace_stats.rntpc += mace_read(lp, ioaddr, MACE_RNTPC); |
| 1232 | lp->mace_stats.mpc += mace_read(lp, ioaddr, MACE_MPC); |
| 1233 | /* At this point, mace_stats is fully updated for this call. |
| 1234 | We may now update the linux_stats. */ |
| 1235 | |
| 1236 | /* The MACE has no equivalent for linux_stats field which are commented |
| 1237 | out. */ |
| 1238 | |
| 1239 | /* lp->linux_stats.multicast; */ |
| 1240 | lp->linux_stats.collisions = |
| 1241 | lp->mace_stats.rcvcco * 256 + lp->mace_stats.rcvcc; |
| 1242 | /* Collision: The MACE may retry sending a packet 15 times |
| 1243 | before giving up. The retry count is in XMTRC. |
| 1244 | Does each retry constitute a collision? |
| 1245 | If so, why doesn't the RCVCC record these collisions? */ |
| 1246 | |
| 1247 | /* detailed rx_errors: */ |
| 1248 | lp->linux_stats.rx_length_errors = |
| 1249 | lp->mace_stats.rntpco * 256 + lp->mace_stats.rntpc; |
| 1250 | /* lp->linux_stats.rx_over_errors */ |
| 1251 | lp->linux_stats.rx_crc_errors = lp->mace_stats.fcs; |
| 1252 | lp->linux_stats.rx_frame_errors = lp->mace_stats.fram; |
| 1253 | lp->linux_stats.rx_fifo_errors = lp->mace_stats.oflo; |
| 1254 | lp->linux_stats.rx_missed_errors = |
| 1255 | lp->mace_stats.mpco * 256 + lp->mace_stats.mpc; |
| 1256 | |
| 1257 | /* detailed tx_errors */ |
| 1258 | lp->linux_stats.tx_aborted_errors = lp->mace_stats.rtry; |
| 1259 | lp->linux_stats.tx_carrier_errors = lp->mace_stats.lcar; |
| 1260 | /* LCAR usually results from bad cabling. */ |
| 1261 | lp->linux_stats.tx_fifo_errors = lp->mace_stats.uflo; |
| 1262 | lp->linux_stats.tx_heartbeat_errors = lp->mace_stats.cerr; |
| 1263 | /* lp->linux_stats.tx_window_errors; */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1264 | } /* update_stats */ |
| 1265 | |
| 1266 | /* ---------------------------------------------------------------------------- |
| 1267 | mace_get_stats |
| 1268 | Gathers ethernet statistics from the MACE chip. |
| 1269 | ---------------------------------------------------------------------------- */ |
| 1270 | static struct net_device_stats *mace_get_stats(struct net_device *dev) |
| 1271 | { |
| 1272 | mace_private *lp = netdev_priv(dev); |
| 1273 | |
| 1274 | update_stats(dev->base_addr, dev); |
| 1275 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1276 | pr_debug("%s: updating the statistics.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1277 | pr_linux_stats(&lp->linux_stats); |
| 1278 | pr_mace_stats(&lp->mace_stats); |
| 1279 | |
| 1280 | return &lp->linux_stats; |
| 1281 | } /* net_device_stats */ |
| 1282 | |
| 1283 | /* ---------------------------------------------------------------------------- |
| 1284 | updateCRC |
| 1285 | Modified from Am79C90 data sheet. |
| 1286 | ---------------------------------------------------------------------------- */ |
| 1287 | |
| 1288 | #ifdef BROKEN_MULTICAST |
| 1289 | |
| 1290 | static void updateCRC(int *CRC, int bit) |
| 1291 | { |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 1292 | static const int poly[]={ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1293 | 1,1,1,0, 1,1,0,1, |
| 1294 | 1,0,1,1, 1,0,0,0, |
| 1295 | 1,0,0,0, 0,0,1,1, |
| 1296 | 0,0,1,0, 0,0,0,0 |
| 1297 | }; /* CRC polynomial. poly[n] = coefficient of the x**n term of the |
| 1298 | CRC generator polynomial. */ |
| 1299 | |
| 1300 | int j; |
| 1301 | |
| 1302 | /* shift CRC and control bit (CRC[32]) */ |
| 1303 | for (j = 32; j > 0; j--) |
| 1304 | CRC[j] = CRC[j-1]; |
| 1305 | CRC[0] = 0; |
| 1306 | |
| 1307 | /* If bit XOR(control bit) = 1, set CRC = CRC XOR polynomial. */ |
| 1308 | if (bit ^ CRC[32]) |
| 1309 | for (j = 0; j < 32; j++) |
| 1310 | CRC[j] ^= poly[j]; |
| 1311 | } /* updateCRC */ |
| 1312 | |
| 1313 | /* ---------------------------------------------------------------------------- |
| 1314 | BuildLAF |
| 1315 | Build logical address filter. |
| 1316 | Modified from Am79C90 data sheet. |
| 1317 | |
| 1318 | Input |
| 1319 | ladrf: logical address filter (contents initialized to 0) |
| 1320 | adr: ethernet address |
| 1321 | ---------------------------------------------------------------------------- */ |
| 1322 | static void BuildLAF(int *ladrf, int *adr) |
| 1323 | { |
| 1324 | int CRC[33]={1}; /* CRC register, 1 word/bit + extra control bit */ |
| 1325 | |
| 1326 | int i, byte; /* temporary array indices */ |
| 1327 | int hashcode; /* the output object */ |
| 1328 | |
| 1329 | CRC[32]=0; |
| 1330 | |
| 1331 | for (byte = 0; byte < 6; byte++) |
| 1332 | for (i = 0; i < 8; i++) |
| 1333 | updateCRC(CRC, (adr[byte] >> i) & 1); |
| 1334 | |
| 1335 | hashcode = 0; |
| 1336 | for (i = 0; i < 6; i++) |
| 1337 | hashcode = (hashcode << 1) + CRC[i]; |
| 1338 | |
| 1339 | byte = hashcode >> 3; |
| 1340 | ladrf[byte] |= (1 << (hashcode & 7)); |
| 1341 | |
| 1342 | #ifdef PCMCIA_DEBUG |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1343 | if (0) |
Joe Perches | ad361c9 | 2009-07-06 13:05:40 -0700 | [diff] [blame] | 1344 | printk(KERN_DEBUG " adr =%pM\n", adr); |
| 1345 | printk(KERN_DEBUG " hashcode = %d(decimal), ladrf[0:63] =", hashcode); |
| 1346 | for (i = 0; i < 8; i++) |
Joe Perches | 636b811 | 2010-08-12 12:22:51 +0000 | [diff] [blame] | 1347 | pr_cont(" %02X", ladrf[i]); |
| 1348 | pr_cont("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | #endif |
| 1350 | } /* BuildLAF */ |
| 1351 | |
| 1352 | /* ---------------------------------------------------------------------------- |
| 1353 | restore_multicast_list |
| 1354 | Restores the multicast filter for MACE chip to the last |
| 1355 | set_multicast_list() call. |
| 1356 | |
| 1357 | Input |
| 1358 | multicast_num_addrs |
| 1359 | multicast_ladrf[] |
| 1360 | ---------------------------------------------------------------------------- */ |
| 1361 | static void restore_multicast_list(struct net_device *dev) |
| 1362 | { |
| 1363 | mace_private *lp = netdev_priv(dev); |
| 1364 | int num_addrs = lp->multicast_num_addrs; |
| 1365 | int *ladrf = lp->multicast_ladrf; |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 1366 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | int i; |
| 1368 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1369 | pr_debug("%s: restoring Rx mode to %d addresses.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | dev->name, num_addrs); |
| 1371 | |
| 1372 | if (num_addrs > 0) { |
| 1373 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1374 | pr_debug("Attempt to restore multicast list detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | |
| 1376 | mace_write(lp, ioaddr, MACE_IAC, MACE_IAC_ADDRCHG | MACE_IAC_LOGADDR); |
| 1377 | /* Poll ADDRCHG bit */ |
| 1378 | while (mace_read(lp, ioaddr, MACE_IAC) & MACE_IAC_ADDRCHG) |
| 1379 | ; |
| 1380 | /* Set LADRF register */ |
| 1381 | for (i = 0; i < MACE_LADRF_LEN; i++) |
| 1382 | mace_write(lp, ioaddr, MACE_LADRF, ladrf[i]); |
| 1383 | |
| 1384 | mace_write(lp, ioaddr, MACE_UTR, MACE_UTR_RCVFCSE | MACE_UTR_LOOP_EXTERNAL); |
| 1385 | mace_write(lp, ioaddr, MACE_MACCC, MACE_MACCC_ENXMT | MACE_MACCC_ENRCV); |
| 1386 | |
| 1387 | } else if (num_addrs < 0) { |
| 1388 | |
| 1389 | /* Promiscuous mode: receive all packets */ |
| 1390 | mace_write(lp, ioaddr, MACE_UTR, MACE_UTR_LOOP_EXTERNAL); |
| 1391 | mace_write(lp, ioaddr, MACE_MACCC, |
| 1392 | MACE_MACCC_PROM | MACE_MACCC_ENXMT | MACE_MACCC_ENRCV |
| 1393 | ); |
| 1394 | |
| 1395 | } else { |
| 1396 | |
| 1397 | /* Normal mode */ |
| 1398 | mace_write(lp, ioaddr, MACE_UTR, MACE_UTR_LOOP_EXTERNAL); |
| 1399 | mace_write(lp, ioaddr, MACE_MACCC, MACE_MACCC_ENXMT | MACE_MACCC_ENRCV); |
| 1400 | |
| 1401 | } |
| 1402 | } /* restore_multicast_list */ |
| 1403 | |
| 1404 | /* ---------------------------------------------------------------------------- |
| 1405 | set_multicast_list |
| 1406 | Set or clear the multicast filter for this adaptor. |
| 1407 | |
| 1408 | Input |
| 1409 | num_addrs == -1 Promiscuous mode, receive all packets |
| 1410 | num_addrs == 0 Normal mode, clear multicast list |
| 1411 | num_addrs > 0 Multicast mode, receive normal and MC packets, and do |
| 1412 | best-effort filtering. |
| 1413 | Output |
| 1414 | multicast_num_addrs |
| 1415 | multicast_ladrf[] |
| 1416 | ---------------------------------------------------------------------------- */ |
| 1417 | |
| 1418 | static void set_multicast_list(struct net_device *dev) |
| 1419 | { |
| 1420 | mace_private *lp = netdev_priv(dev); |
Joe Perches | 104bf3f | 2011-11-16 09:38:03 +0000 | [diff] [blame] | 1421 | int adr[ETH_ALEN] = {0}; /* Ethernet address */ |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1422 | struct netdev_hw_addr *ha; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | |
| 1424 | #ifdef PCMCIA_DEBUG |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1425 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | static int old; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1427 | if (netdev_mc_count(dev) != old) { |
| 1428 | old = netdev_mc_count(dev); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1429 | pr_debug("%s: setting Rx mode to %d addresses.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1430 | dev->name, old); |
| 1431 | } |
| 1432 | } |
| 1433 | #endif |
| 1434 | |
| 1435 | /* Set multicast_num_addrs. */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1436 | lp->multicast_num_addrs = netdev_mc_count(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1437 | |
| 1438 | /* Set multicast_ladrf. */ |
| 1439 | if (num_addrs > 0) { |
| 1440 | /* Calculate multicast logical address filter */ |
| 1441 | memset(lp->multicast_ladrf, 0, MACE_LADRF_LEN); |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1442 | netdev_for_each_mc_addr(ha, dev) { |
Joe Perches | 104bf3f | 2011-11-16 09:38:03 +0000 | [diff] [blame] | 1443 | memcpy(adr, ha->addr, ETH_ALEN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | BuildLAF(lp->multicast_ladrf, adr); |
| 1445 | } |
| 1446 | } |
| 1447 | |
| 1448 | restore_multicast_list(dev); |
| 1449 | |
| 1450 | } /* set_multicast_list */ |
| 1451 | |
| 1452 | #endif /* BROKEN_MULTICAST */ |
| 1453 | |
| 1454 | static void restore_multicast_list(struct net_device *dev) |
| 1455 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 1456 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1457 | mace_private *lp = netdev_priv(dev); |
| 1458 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1459 | pr_debug("%s: restoring Rx mode to %d addresses.\n", dev->name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1460 | lp->multicast_num_addrs); |
| 1461 | |
| 1462 | if (dev->flags & IFF_PROMISC) { |
| 1463 | /* Promiscuous mode: receive all packets */ |
| 1464 | mace_write(lp,ioaddr, MACE_UTR, MACE_UTR_LOOP_EXTERNAL); |
| 1465 | mace_write(lp, ioaddr, MACE_MACCC, |
| 1466 | MACE_MACCC_PROM | MACE_MACCC_ENXMT | MACE_MACCC_ENRCV |
| 1467 | ); |
| 1468 | } else { |
| 1469 | /* Normal mode */ |
| 1470 | mace_write(lp, ioaddr, MACE_UTR, MACE_UTR_LOOP_EXTERNAL); |
| 1471 | mace_write(lp, ioaddr, MACE_MACCC, MACE_MACCC_ENXMT | MACE_MACCC_ENRCV); |
| 1472 | } |
| 1473 | } /* restore_multicast_list */ |
| 1474 | |
| 1475 | static void set_multicast_list(struct net_device *dev) |
| 1476 | { |
| 1477 | mace_private *lp = netdev_priv(dev); |
| 1478 | |
| 1479 | #ifdef PCMCIA_DEBUG |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1480 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1481 | static int old; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1482 | if (netdev_mc_count(dev) != old) { |
| 1483 | old = netdev_mc_count(dev); |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 1484 | pr_debug("%s: setting Rx mode to %d addresses.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1485 | dev->name, old); |
| 1486 | } |
| 1487 | } |
| 1488 | #endif |
| 1489 | |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1490 | lp->multicast_num_addrs = netdev_mc_count(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | restore_multicast_list(dev); |
| 1492 | |
| 1493 | } /* set_multicast_list */ |
| 1494 | |
Joe Perches | 25f8f54 | 2011-05-03 19:29:01 -0700 | [diff] [blame] | 1495 | static const struct pcmcia_device_id nmclan_ids[] = { |
Dominik Brodowski | a58e26c | 2005-06-27 16:28:23 -0700 | [diff] [blame] | 1496 | PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Ethernet", 0x085a850b, 0x00b2e941), |
Komuro | d277ad0 | 2005-07-28 01:07:24 -0700 | [diff] [blame] | 1497 | PCMCIA_DEVICE_PROD_ID12("Portable Add-ons", "Ethernet+", 0xebf1d60, 0xad673aaf), |
Dominik Brodowski | a58e26c | 2005-06-27 16:28:23 -0700 | [diff] [blame] | 1498 | PCMCIA_DEVICE_NULL, |
| 1499 | }; |
| 1500 | MODULE_DEVICE_TABLE(pcmcia, nmclan_ids); |
| 1501 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | static struct pcmcia_driver nmclan_cs_driver = { |
| 1503 | .owner = THIS_MODULE, |
Dominik Brodowski | 2e9b981 | 2010-08-08 11:36:26 +0200 | [diff] [blame] | 1504 | .name = "nmclan_cs", |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1505 | .probe = nmclan_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 1506 | .remove = nmclan_detach, |
Dominik Brodowski | a58e26c | 2005-06-27 16:28:23 -0700 | [diff] [blame] | 1507 | .id_table = nmclan_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1508 | .suspend = nmclan_suspend, |
| 1509 | .resume = nmclan_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1510 | }; |
H Hartley Sweeten | fdd3f29 | 2013-03-06 11:27:43 -0700 | [diff] [blame] | 1511 | module_pcmcia_driver(nmclan_cs_driver); |